157739033971 has 2 divisors, whose sum is σ = 157739033972. Its totient is φ = 157739033970.

The previous prime is 157739033939. The next prime is 157739034031. The reversal of 157739033971 is 179330937751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157739033971 - 2⁵ = 157739033939 is a prime.

It is not a weakly prime, because it can be changed into another prime (157739033371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78869516985 + 78869516986.

It is an arithmetic number, because the mean of its divisors is an integer number (78869516986).

Almost surely, 2^157739033971 is an apocalyptic number.

157739033971 is a deficient number, since it is larger than the sum of its proper divisors (1).

157739033971 is an equidigital number, since it uses as much as digits as its factorization.

157739033971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3750705, while the sum is 55.

The spelling of 157739033971 in words is "one hundred fifty-seven billion, seven hundred thirty-nine million, thirty-three thousand, nine hundred seventy-one".